Air Flow Research (AFR) Cylinder Heads & More

Valve Spring Shim, 0.015 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6325-16

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Valve Spring, Standard, Single Spring, 1.270 in. Outer Spring Diameter, 0.645 in. Inner Spring Diameter, 1.080 in. Coil Bind Height, Each

Part Number: AFR-8019-1

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Valve Spring Shim, 0.030 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6326-16

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Rocker Arm Nuts, Stud Girdle Replacement Nuts, Polylock, 3/8-24 in., Use with Small Block Chevy and Small Block Ford AFR Stud Girdles, Each

Part Number: AFR-6216-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Head, 224cc Black Hawk Gen 3 Cylinder Head, Right Side, 2.165 in. Intake, 1.650 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2518

5.0 out of 5 stars ( 1 )

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Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Size, 0.850 in. Nut Length, 1.900 in. Overall Length, Each

Part Number: AFR-6405-1

5.0 out of 5 stars ( 1 )

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Cylinder Head, 185cc Enforcer, Aluminum, Assembled, 64cc Combustion Chamber, Ford, Small Block, Each

Part Number: AFR-1352

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Estimated Ship Date: May 18, 2026 if ordered today

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Carburetor Spacer, Open Style, Phenolic Plastic, Black, 1.00 in. Thick, 4-Barrel, Square Bore, Each

Part Number: AFR-4450

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Camshaft, Stage 2, OE Hydraulic Roller, Drag Race, 0.548 Intake, 0.548 Exhaust, 230/236 Duration, Chevy, Each

Part Number: AFR-6016

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Valve Seat Inserts, Intake, Ductile Iron, 1.720 in. I.D., 2.132 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9059

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Guide Plates, 3/8 in. Push Rod Size, Raised Guide Plate Style, Black Oxide Finish, Each

Part Number: AFR-6109-1

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Valve Spring Shim, 0.060 in. Thick, 1.450 in. Outside Diameter, 0.670 in. Inside Diameter, Set of 16

Part Number: AFR-6327-16

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Valve, Replacement, Intake, 2.020 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Set of 8

Part Number: AFR-7207-8

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Valve Cover Grommet, PCV, 1.250 in. Outside Diameter, 0.938 in. Inside Diameter, Each

Part Number: AFR-6734

1.0 out of 5 stars ( 1 )

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Valves, BBC 24° Stainless Steel 1.880 x 5.450 O.A.L. STD 11/32 Tulip Race Exhaust Valve, Set

Part Number: AFR-7631-8

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Estimated Ship Date: May 18, 2026 if ordered today

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Rocker Arm Nut, Stud Girdle Replacement Nut Type, Full Roller, 7/16-20 in. Thread, Chevy, Ford, Each

Part Number: AFR-6214-1

5.0 out of 5 stars ( 3 )

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Valves, BBC 24° Stainless Steel 1.880 x 5.450 O.A.L. 11/32 Stem (Nail Head) Race Exhaust Valve, Set

Part Number: AFR-7630-8

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Estimated Ship Date: May 18, 2026 if ordered today

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Cylinder Head, 185cc Black Hawk Gen 3 Cylinder Head, Left Side, 2.050 in. Intake, 1.590 in. Exhaust, Assembled, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2509

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Valve, Replacement, Intake, 2.080 in. Head Diameter, 0.313 in. Stem Diameter, 4.900 in. Overall Length, Stainless Steel, Chevy, LS1, Each

Part Number: AFR-7208-1

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Valves, LS3 Solid Stem Valve, 1.600 X 5.200 O.A.L. Race Exhaust Valve

Part Number: AFR-7212-8

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Estimated Ship Date: May 18, 2026 if ordered today

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Valve Spring Retainers, Chromoly Steel, 7 Degree, Single Spring, 1.250 in. O.D., Use with 8017 and 8019 Springs, Each

Part Number: AFR-8514-1

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Valve Cover Grommet, PCV, 1.250 in. Outside Diameter, 0.750 in. Inside Diameter, Each

Part Number: AFR-6733

3.43 out of 5 stars ( 7 )

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Valve, Replacement, Exhaust, Stainless Steel, 1.900 in. Diameter, 8mm Stem, 4.900 in. Length, Ford, Each

Part Number: AFR-7249-1

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Valve Spring Retainer, Titanium, 7 degree Lock, 1.245 in., Dual Spring, Set of 16

Part Number: AFR-8515-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

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Valves, LS3 Solid Stem Valve, 1.600 X 5.200 O.A.L. Race Exhaust Valve, 1 Ea.

Part Number: AFR-7212-1

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Estimated Ship Date: May 18, 2026 if ordered today

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